Articles with "broad band" as a keyword



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Unstrained PbSe/CdSe core shell nanostructures for broad band absorber and narrow band IR emitters

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Published in 2018 at "Journal of Materials Science: Materials in Electronics"

DOI: 10.1007/s10854-018-9072-6

Abstract: The purpose of this work is to establish structural, morphological and optical properties of PbSe quantum dots (QDs) and PbSe/CdSe core/shell nanostructures (C/S NSs) for application as broad band absorber and narrow band emitters. These… read more here.

Keywords: band absorber; broad band; microscopy; pbse cdse ... See more keywords
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A broad band yellow-emitting Sr8CaBi(PO4)7:Eu2+ phosphor for n-UV pumped white light emitting devices

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Published in 2018 at "Dyes and Pigments"

DOI: 10.1016/j.dyepig.2017.10.004

Abstract: Abstract A novel broad band yellow-emitting Sr8CaBi(PO4)7:Eu2+ (SCBP:Eu2+) phosphor was synthesized via conventional high-temperature solid-state reaction. It's crystal structure and phase were investigated with X-ray diffraction (XRD), Rietveld refinement method and transmission electron microscopy (TEM).… read more here.

Keywords: broad band; yellow emitting; eu2; eu2 phosphor ... See more keywords
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Broad-band femtosecond pulses, λ3 diffraction and managing of electron mirrors

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Published in 2020 at "Optik"

DOI: 10.1016/j.ijleo.2019.01.101

Abstract: Abstract The experimental and theoretical investigations of attosecond pulses diffraction describe one unexpected parabolic deformation of their intensity profile at few diffraction lengths. This deformation was called by some authors λ3 diffraction. In our previous… read more here.

Keywords: femtosecond; broad band; femtosecond pulses; pulses diffraction ... See more keywords
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Broad Band excited NIR emission in Li2CeO3:Nd/Yb phosphor for modification of solar spectrum

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Published in 2019 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2018.08.296

Abstract: Abstract Luminescence in Li2CeO3 host has been investigated for the first time. Nd3+ and Yb3+ activators led to emission in the near infrared region. Excitation for 976 emission of Yb3+ is located in the near… read more here.

Keywords: li2ceo3; emission; nd3 yb3; broad band ... See more keywords
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Broad-band and polarization-independent perfect absorption in graphene-gold cylinder arrays at visible and near-infrared wavelengths

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Published in 2018 at "Optical Materials"

DOI: 10.1016/j.optmat.2018.05.016

Abstract: Abstract A wavelength tunable perfect absorber with graphene-hexagonal gold (Au) cylinder array on a ground plate is investigated theoretically. The interactions between electromagnetic (EM) waves and monolayer graphene are analyzed through the field distributions and… read more here.

Keywords: broad band; gold cylinder; near infrared; graphene ... See more keywords
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Ultrafast Broad-Band Optical Limiting in Simple Hydrazone Derivatives with a Π-Conjugated System: Effect of Two-Photon-Induced Singlet-State Absorption

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Published in 2018 at "Journal of Physical Chemistry C"

DOI: 10.1021/acs.jpcc.8b02149

Abstract: Two simple hydrazone derivatives (A1 and A2) linked with different Π-conjugated systems are designed and synthesized to reach ultrafast broad-band optical limiting (OL) under different pulse widths. To exploit various virtues of two-photon absorption (TPA)-induced… read more here.

Keywords: absorption; state; broad band; band ... See more keywords
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Pressure-Induced Ultra-Broad-Band Emission of a Cs2AgBiBr6 Perovskite Thin Film

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Published in 2019 at "Journal of Physical Chemistry C"

DOI: 10.1021/acs.jpcc.9b11187

Abstract: Lead halide perovskites have recently emerged as promising materials for various optoelectronic applications. However, realizing lead-free and stable perovskites with broad-band emission for the fa... read more here.

Keywords: induced ultra; band emission; broad band; pressure induced ... See more keywords
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Broad-Band-Enhanced Plasmonic Perovskite Solar Cells with Irregular Silver Nanomaterials.

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Published in 2022 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.2c01759

Abstract: The localized surface plasmon resonance (LSPR) from noble metal nanomaterials (NMs) is a promising solution to approach the theoretical efficiency for photovoltaic devices. However, the plasmon resonance of metal NMs with particular shapes and sizes… read more here.

Keywords: broad band; perovskite solar; band enhanced; enhanced plasmonic ... See more keywords
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Broad-Band Polarization-Insensitive Metasurface Holography with a Single-Phase Map.

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Published in 2022 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.2c07960

Abstract: The remarkable potential of metasurface holography promises revolutionary advancements for imaging, chip-integrated augmented/virtual reality (AR/VR) technology, and flat optical displays. The choice of constituent element geometry constrains many potential applications purveyed through polarization-independent optical response.… read more here.

Keywords: polarization; broad band; phase; metasurface holography ... See more keywords
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High-Performance Broad-Band Photodetection Based on Graphene-MoS2xSe2(1-x) Alloy Engineered Phototransistors.

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Published in 2022 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.2c08933

Abstract: The concept of alloy engineering has emerged as a viable technique toward tuning the band gap as well as engineering the defect levels in two-dimensional transition-metal dichalcognides (TMDCs). The possibility of synthesizing these ultrathin TMDC… read more here.

Keywords: band; graphene; broad band; high performance ... See more keywords
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Facile Fabrication of Titanium Nitride Nanoring Broad-Band Absorbers in the Visible to Near-Infrared by Shadow Sphere Lithography.

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Published in 2023 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.2c17875

Abstract: Plasmonic broad-band absorbers have received much attention because of their high absorption and potential applications for light-absorbing devices such as thermophotovoltaics, solar energy harvesting, and thermal emitters. However, the fabrication of complex structures in a… read more here.

Keywords: band; nanoring broad; broad band; nitride nanoring ... See more keywords